#include<iostream>

using namespace std;

#include <stdio.h>
#include <stdlib.h>
int main()
{
	pid_t id = fork(); if (id < 0) {
		perror("fork"); return 1;
	}
	else if (id > 0) { //parent printf("parent[%d] is sleeping...\n", getpid()); sleep(30);
	}
	else {
		printf("child[%d] is begin Z...\n", getpid()); sleep(5); exit(EXIT_SUCCESS);
	}
	return 0;
}